ZeroTier is described as 'Creates encrypted peer-to-peer virtual Ethernet networks for remote access, gaming, secure virtual LANs, and private networks without complex setup' and is a very popular VPN service in the network & admin category. There are more than 50 alternatives to ZeroTier for a variety of platforms, including Linux, Windows, Mac, Android and iPhone apps. The best ZeroTier alternative is OpenVPN Connect, which is both free and Open Source. Other great apps like ZeroTier are WireGuard, Tailscale, NetBird and Rayfish.
Nebula is a scalable overlay networking tool with a focus on performance, simplicity and security. It lets you seamlessly connect computers anywhere in the world. Nebula runs on Linux, OSX, and Windows. Mobile is in active development.
United States
ngrok exposes local servers behind NATs and firewalls to the public internet over secure tunnels.
United States
Radmin VPN allows you to securely connect computers, located behind firewalls.
Russia
defguard is an SSO & VPN Server based on OpenID and WireGuard VPN with unique secure & private architecture for building secure and privacy-aware organizations.
Poland
EU
P2PVPN creates a virtual private network for you which behaves like a physical network (e.g. your network at home). But instead of using an Ethernet cable to connect computers P2PVPN uses secure Internet connections.
Provides secure access through zero trust principles, replacing traditional VPNs for remote work, enabling centralized management, user connectivity, and application-level privilege without infrastructure changes.
United States
A free, open-source, multi-platform, highly-configurable and peer-to-peer VPN software, designed to easily connect remote hosts and mainly focused on security and performance.
FranceEU
NeoRouter is the next generation router that helps you manage and connect to all your computers from anywhere. It gracefully integrates Remote Access, File Sharing, Virtual Private Network, User and Access Management.
VDE is an ethernet compliant virtual network that can be spawned over a set of physical computer over the Internet. VDE is part of virtualsquare project.
Italy